The Risk Management Tool Box Blog

Always Inspect Rigging Prior to Crane Lifts

Graham Marshall - Wednesday, December 12, 2012

This safety alert from APPEA highlights how a drill rig engaged by Chevron in Australia was involved in an incident in which a bolt torque wrench weighing-in at 70 KG fell 14 metres through the rotary table to the transporter below.

The dropped-object incident occurred when an eye-bolt on the torque wrench was used as the primary lifting point during rigging-up of the item prior to lift.

The eye-bolt was previously damaged and was not adequately inspected prior to the lift.  It subsequently failed under load.  The rest of the safety alert is shown below.

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